The chief cause of failure and unhappiness is trading what you want most for what you want right now

Man knows so much and does so little.

Failing to prepare is preparing to fail.

Many of life's failures are people who did not realize how close they were to success when they gave up.

One of the most common causes of failure is the habit of quitting when one is overtaken by temporary defeat.

Do not be afraid of mistakes, providing you do not make the same one twice.

Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.

You will soon break the bow if you keep it always stretched.

Dwelling on negative thoughts is like fertilizing weeds.

Any man can make mistakes, but only an idiot persists in his error.

The fire that warms us can also consume us; it is not the fault of the fire.

Failure is the foundation of success, and the means by which it is achieved.

Great services are not canceled by one act or by one single error.

The worst prison would be a closed heart.

A person should not be too honest. Straight trees are cut first and honest people are screwed first.

Failure is unimportant. It takes courage to make a fool of yourself.

To stumble twice against the same stone is a proverbial disgrace.

Dream is not that you see in the sleep; dream is that does not allow you to sleep.

Nature never excuses lapses.

Failure is not a single, cataclysmic event. You don't fail overnight. Instead, failure is a few errors in judgement, repeated every day.

Failure cannot cope with persistence.